package com.lyc.struct;
import java.util.Scanner;

public class IfDemo03 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入成绩：");
        int score = scanner.nextInt();
        if(score==100){
            System.out.println("恭喜你，满分");
        }else if(score>=90 && score<100){
            System.out.println("A级");
        }else if(score>=80 && score<90){
            System.out.println("B级");
        }else if(score>=70 && score<80){
            System.out.println("C级");
        }else if(score>=60 && score<70){
            System.out.println("D级");
        }else if(score<60 && score>=0){
            System.out.println("不及格");
        }else{
            System.out.println("成绩有误");
        }

        scanner.close();
    }
}
